maldives. and climate change activists. climate change is very important to maldives because they were almost underwater. i was in washington d.c. this week at the clinton global initiative university. it was an incredibly impressive group of young people who have social causes and commit manys that they're all working on from all over the country and all over the world were gathered there. i met this kid who had made... he and his two friends made bamboo bicycles. it won the little competition they had amongst all the different groups. incredible. back stage he says to me, hey, listen, you know, i'm from the g.w.school of engineering. we're having our commencement. i was like, here we go. you know, i've got to explain now i think i'm busy that... that season. you know what i mean? he goes, so, do you know neil degrasse tyson?